Desor. A villous perennial, two to three feet high, with 
stout erect four-angled stems. Leaves three to five inches 
long, long-petioled, deltoid-ovate, acute or acuminate, base 
truncate with rounded lobes or hastate with acute spreading 
lobes, rugose, pubescent on both surfaces; petiole four to 
eight inches long. Raceme simple or branched at the base, 
eight to twelve inches long, very villous; lower whorls of 
flowers distant, with leafy bracts; false-whorls six-flowered; 
flowers shortly pedicelled. Calyx half an inch long, gluti- 
nous, subcampanulate, green below, dark above; lips short, 
broad, acute, lobes bifid. Corolla large, one inch long 
and nearly as broad across the mouth, bright blue, except 
the white mid-lobe of the lip; tube three times as long as 
the calyx, broad, rather inflated; upper lip short, bifid, 
with acute lobes; lower with broad short revolute side 
lobes, and a large broadly-obcordate pendulous mid-lobe. 
Anthers exserted ; connective of sterile anther-cells short. 
Style slender, much exserted.—J. D. H. 
Fig. 1, Vertical section of flower ; 2, portion of corolla and stamen :—oth a little 
enlarged, 
